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precision alloys
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precision alloys
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工学
精密合金
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precision alloys
精密合金
具有特殊物理、化学或生物医学性能的合金。如具有优异磁学、电学、热学等性能的合金,常用来制造电子、电工器件和精密仪器仪表等,其中一些合金还兼具特定的化学和力学性能。
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projectile like fragment
projectile-like fragment
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更新时间:2026/7/2 13:03:50